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Finding the Fourth Proportional to 245,880.30, 368,820.45 and 242,381.10

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Solution

The fourth proportional to 245,880.30, 368,820.45 and 242,381.10 is: 363,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,880.30 : 368,820.45 = 242,381.10 : x
  2. Step 2: Convert to fraction form
    245,880.30/368,820.45 = 242,381.10/x
  3. Step 3: Cross multiply
    245,880.30x = 368,820.45 × 242,381.10
  4. Step 4: Simplify right side
    245,880.30x = 89,395,106,373.50
  5. Step 5: Solve for x
    x = 89,395,106,373.50/245,880.30
  6. Step 6: Final answer
    x = 363,571.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.